#include <stdio.h>
enum Week
{
    Monday = 4,
    Tuesday,
    Wednesday,
    Thursday,
    Friday,
    Saturday,
    sunday
};
typedef enum Week week;
int main()
{
    enum Week w = 3;
    printf("%d\n", w);
    printf("%d\n", Tuesday);
    printf("%ld\n", sizeof(w));

    return 0;
}